Add paging mode

yunkya2 · yunkya2 · commit 71b84539485d · 2025-09-29T00:12:46.000+09:00
diff --git a/httpsget.c b/httpsget.c
@@ -35,6 +35,7 @@
 #include "ssl.h"
 #include "iconv/iconv_mini.h"
 #ifdef __human68k__
+#include <x68k/dos.h>
 #include <x68k/iocs.h>
 #endif
 
@@ -304,6 +305,7 @@ void help(const char *name)
         "  -H, --show-header    Show HTTP response header\n"
         "  -r, --raw            Display raw HTML without parsing\n"
         "  -s, --sjis           No UTF-8 -> SJIS conversion\n"
+        "  -p, --page           Paging mode\n"
     , name);
     exit(0);
 }
@@ -322,6 +324,7 @@ int main(int argc, char **argv)
     int raw_mode = 0;
     int sjis_mode = 0;
     int http_mode = 0;
+    int paging_mode = 0;
 
     path = "/";
     port = 443;
@@ -335,6 +338,8 @@ int main(int argc, char **argv)
             raw_mode = 1;
         } else if (strcmp(argv[i], "-s") == 0 || strcmp(argv[i], "--sjis") == 0) {
             sjis_mode = 1;
+        } else if (strcmp(argv[i], "-p") == 0 || strcmp(argv[i], "--page") == 0) {
+            paging_mode = 1;
         } else if (argv[i][0] == '-') {
             fprintf(stderr, "Error: Unknown option %s\n", argv[i]);
             return 1;
@@ -534,20 +539,26 @@ int main(int argc, char **argv)
 
     // HTTPレスポンスからHTMLボディを抽出
     char *html_body = extract_html_body((char *)response);
-    if (show_header) {
+    if (show_header || raw_mode) {
        printf("HTML Header:\n");
        printf("--------------------\n");
        fwrite(response, 1, html_body - (char *)response, stdout);
        printf("--------------------\n\n");
     }
 
+    uint8_t *sbuffer = NULL;
+
     // HTMLのパースと表示
     if (!raw_mode) {
         parse_html(html_body, sjis_mode);
         size_t html_body_len = strlen(html_body);
 
         if (!sjis_mode) {
-            uint8_t *sbuffer = malloc(html_body_len);
+            sbuffer = malloc(html_body_len);
+            if (sbuffer == NULL) {
+                fprintf(stderr, "Error: Memory allocation failed\n");
+                return 1;
+            }
 
             uint8_t *inbuf = (uint8_t *)html_body;
             size_t inbytesleft = html_body_len;
@@ -563,13 +574,52 @@ int main(int argc, char **argv)
             } while ((char *)inbuf < html_body + html_body_len);
             *outbuf = 0;
 
-            printf("%s", sbuffer);
-            free(sbuffer);
-        } else {
-            printf("%s", html_body);
+            html_body = (char *)sbuffer;
+        }
+    }
+
+    if (paging_mode) {
+        char *p = html_body;
+        char *q = p;
+        int page_len = 28;
+        while (1) {
+            int count = 0;
+            do {
+                q = strchr(q, '\n');
+                if (q == NULL) {
+                    break;
+                }
+                q++;
+                count++;
+            } while (count < page_len);
+            if (q == NULL) {
+                printf("%s", p);
+                break;
+            }
+            fwrite(p, 1, q - p, stdout);
+            p = q;
+            printf("-- More --");
+            fflush(stdout);
+#ifdef __human68k__
+            int c = _dos_getc();
+#else
+            int c = getchar();
+#endif
+            printf("\r          \r");
+            if (c == 'q' || c == 'Q') {
+                break;
+            } else if (c == ' ') {
+                page_len = 1;
+            } else {
+                page_len = 28;
+            }
         }
     } else {
-        printf("%s", html_body);
+        printf("%s\n", html_body);
+    }
+
+    if (sbuffer) {
+        free(sbuffer);
     }
 
     return 0;
